Concentration dependences of diffusion coefficients (D) for TMS and 1, and average aggregation number (N) for^a1.

c[1], mM	c/cmax	D TMS, 10−9 m2 s−1	D obs, 10−9 m2 s−1	D TMS/Dobs	N
3.74	1.00	3.36	0.651	5.16	3.89
2.79	0.75	3.37	0.781	4.31	2.27
1.83	0.49	3.38	0.797	4.24	2.16
1.46	0.39	3.38	0.860	3.93	1.72
1.16	0.31	3.38	0.855	3.95	1.75
1.00	0.27	3.38	0.918	3.68	1.41

^aFrom 400 MHz ¹H NMR spectroscopy in acetone-d₆ at 298 K.